package com.yzdx.AiInterviewer.controller;


import com.yzdx.AiInterviewer.comment.R;
import com.yzdx.AiInterviewer.utiles.ParseResumeUtil;

import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;


@RestController
@Slf4j
public class UploadController {

    //设置上传文件的最大大小
    public static final  int MAX_SIZE=10*1024*1024;
    //设置文件的类型
    public static final List<String> AVATAR_TYPE=new ArrayList<>();

    static {
        AVATAR_TYPE.add("image/png");
        AVATAR_TYPE.add("image/gif");
        AVATAR_TYPE.add("image/bmp");
        AVATAR_TYPE.add("image/jpg");
        AVATAR_TYPE.add("image/jpeg");
    }

    /**
     * 上传图片
     * @param request
     * @param file
     * @return R
     */
    @PostMapping("/upload_picture")
    @ApiOperation(value = "上传图片",notes = "")

    public R upLoadPicture(HttpServletRequest request, @RequestParam("file") MultipartFile file){


//MultipartFile是spring提供的类，可以接收所有的文件的类

        log.info(file.getContentType());

        if(file.isEmpty()){
            return R.error("请选择文件");
        }

        if (file.getSize() >MAX_SIZE){//file.getSize()获取接收文件的大小
            return R.error("文件大小超出最大限制");
        }
        if(!AVATAR_TYPE.contains(file.getContentType())){//自定义接收文件的类型
            return R.error("文件类型不匹配");
        }

        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/picture/");//获取上传文件的路径（获取项目中名为‘upload’的文件夹）
//        String uploadPath = "D:\\vue学习\\Ai-interviewer-ui\\src\\upload";//获取上传文件的路径（获取项目中名为‘upload’的文件夹）
//
        log.info(uploadPath);

        //指向名为‘upload’文件夹

        File dir=  new File(uploadPath);

        if(!dir.exists()){
            dir.mkdirs();//若不存在，则创建该文件夹
        }

        String originalFilename = file.getOriginalFilename();//获取文件的真实文件名

        int index = originalFilename.lastIndexOf(".");//获取文件的后缀名‘.’的位置

        String substring = originalFilename.substring(index);//返回文件类型名 例如：.jpg

        String filename = UUID.randomUUID().toString().toUpperCase()+substring;//新创建的文件名

        File dest=new File(dir,filename);//创建一个空的文件

        try {

            file.transferTo(dest);

        } catch (IOException e) {

            return R.error("文件存储出现异常");

        }
        String RealFilePath="http://117.88.94.226:8080/upload/picture/"+filename;
        Map<String,Object> data=new HashMap<>();
        data.put("image",RealFilePath);
        data.put("filename",filename);
        return R.success(data);//返回图片存储在服务器的地址
    }

    /**
     * 上传视频
     * @param request
     * @param file
     * @return R
     */
    @PostMapping("/upload_video")
    @ApiOperation(value = "上传视频",notes = "")

    public R upLoadVideo(HttpServletRequest request, @RequestParam("file") MultipartFile file ){


//MultipartFile是spring提供的类，可以接收所有的文件的类

        log.info(file.getContentType());

        if(file.isEmpty()){
            return R.error("请选择文件");
        }

        if (file.getSize() >MAX_SIZE){//file.getSize()获取接收文件的大小
            return R.error("文件大小超出最大限制");
        }


        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/video/");//获取上传文件的路径（获取项目中名为‘upload’的文件夹）


        File dir= new File(uploadPath);//指向名为‘upload’文件夹

        if(!dir.exists()){
            dir.mkdirs();//若不存在，则创建该文件夹
        }

        String originalFilename = file.getOriginalFilename();//获取文件的真实文件名

        int index = originalFilename.lastIndexOf(".");//获取文件的后缀名‘.’的位置

        String substring = originalFilename.substring(index);//返回文件类型名 例如：.jpg

        String filename = UUID.randomUUID().toString().toUpperCase()+substring;//新创建的文件名

        File dest=new File(dir,filename);//创建一个空的文件

        try {

            file.transferTo(dest);

        } catch (IOException e) {

            return R.error("文件存储出现异常");

        }

        String RealFilePath="http://117.88.94.226:8080/upload/video/"+filename;
        Map<String,Object> data=new HashMap<>();
        data.put("video",RealFilePath);
        data.put("filename",filename);
        return R.success(data);//返回图片存储在服务器的地址
    }

    /**
     * 删除照片
     * @param request
     * @param imagePath
     * @return R
     */
    @DeleteMapping("/delete_picture")
    @ApiOperation(value = "删除图片",notes = "")

    public R deletePicture(@ApiParam("String imagePath") HttpServletRequest request, String imagePath){
        if(imagePath==null||imagePath.equals("")){
            return R.error("删除失败!");
        }
        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/picture/");
        try {
            File folder = new File(uploadPath);
            File[] files = folder.listFiles();
            for(File file:files){
                if(file.getName().equals(imagePath)){
                    file.delete();
                }
            }
            return R.success("删除成功");
        } catch (Exception e) {
            return R.error("删除失败");
        }


    }

    /**
     * 删除视频
     * @param request
     * @param videoPath
     * @return R
     */
    @DeleteMapping("/delete_video")
    @ApiOperation(value = "删除图片",notes = "")

    public R deleteVideo(@ApiParam("String videoPath") HttpServletRequest request,String videoPath){
        if(videoPath==null||videoPath.equals("")){
            return R.error("删除失败!");
        }
        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/video/");
        try {
            File folder = new File(uploadPath);
            File[] files = folder.listFiles();
            for(File file:files){
                if(file.getName().equals(videoPath)){
                    file.delete();
                }
            }
            return R.success("删除成功");
        } catch (Exception e) {
            return R.error("删除失败");
        }


    }

    /**
     * 上传简历
     * @param request
     * @param file
     * @return R
     */
    @PostMapping("/upload_resume")
    @ApiOperation(value = "上传简历",notes = "")

    public R uploadResume(HttpServletRequest request, @RequestParam("file") MultipartFile file){
        if(file.isEmpty()){
            return R.error("请选择文件");
        }

        if (file.getSize() >50*1024*1024){//file.getSize()获取接收文件的大小
            return R.error("文件大小超出最大限制");
        }

        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/resume/");

        File dir= new File(uploadPath);

        if(!dir.exists()){
            dir.mkdirs();//若不存在，则创建该文件夹
        }

        String originalFilename = file.getOriginalFilename();//获取文件的真实文件名

        int index = originalFilename.lastIndexOf(".");//获取文件的后缀名‘.’的位置

        String substring = originalFilename.substring(index);//返回文件类型名 例如：.jpg

        String fileName = UUID.randomUUID().toString().toUpperCase()+substring;//新创建的文件名

        File dest=new File(dir,fileName);//创建一个空的文件

        try {

            file.transferTo(dest);

        } catch (IOException e) {

            return R.error("文件存储出现异常");

        }
        String RealFilePath="http://117.88.94.226:8080/upload/resume/"+fileName;
        ExecutorService pool= Executors.newCachedThreadPool();
        pool.submit(new Runnable() {
            @Override
            public void run() {

                    ParseResumeUtil.ParseChineseResume( request.getSession().getServletContext().getRealPath("/upload/resume/")+"\\"+fileName);
            }
        });


        Map<String,Object> data=new HashMap<>();
        data.put("resume",RealFilePath);
        data.put("filename",fileName);

        return R.success(data);//返回图片存储在服务器的地址



    }

    /**
     * 删除简历
     * @param request
     * @param resumePath
     * @return R
     */
    @DeleteMapping("/delete_resume")
    @ApiOperation(value = "删除简历",notes = "")

    public R deleteResume(@ApiParam("String resumePath") HttpServletRequest request,String resumePath){
        if(resumePath==null||resumePath.equals("")){
            return R.error("删除失败!");
        }
        String uploadPath = request.getSession().getServletContext().getRealPath("/upload/resume/");

        try {
            File folder = new File(uploadPath);
            File[] files = folder.listFiles();
            for(File file:files){
                if(file.getName().equals(resumePath)){
                    file.delete();
                }
            }
            return R.success("删除成功");
        } catch (Exception e) {
            return R.error("删除失败");
        }
    }
}